Finding the Fourth Proportional to 10,319.72, 15,485.73 and 3,746.42

Step by Step Solution

1. Step 1: Write the proportion equation
   10,319.72 : 15,485.73 = 3,746.42 : x
2. Step 2: Convert to fraction form
   10,319.72/15,485.73 = 3,746.42/x
3. Step 3: Cross multiply
   10,319.72x = 15,485.73 × 3,746.42
4. Step 4: Simplify right side
   10,319.72x = 58,016,048.59
5. Step 5: Solve for x
   x = 58,016,048.59/10,319.72
6. Step 6: Final answer
   x = 5,621.86